professional activities: From 04.2021 member of oncology group WOW comity WSAVA 01.2017 -06.2021– Resident ECVIM-Oncology, Ludwig Maximillian’s university ,MTK Oncology department 09.2012 bis 2018 - scientific editor of the veterinary magazine VetPharma, endocrinology department 08.2020 today – small animal Praxis Feldkirchen as veterinarian 09.2012 – today - small animal clinic Zoovetservis, Consultant 1.2005 -09.2012- small animal clinic Zoovetservis, Senior physician 09.1999-1.2005 -small animal clinic “Medisan-K” as veterinarian 06.1997 - 09.1999 - Animal protection association “SOS”, animal shelter in Pirogovo, as a veterinarian 09.1996 - 06.1997 - Scientific Institute for Veterinary Medicine, Laboratory for Molecular Biology and Genetics, as a veterinarian some publications: 1. Troedson K, Ignatenko N, Fejos C, Zablotski Y, Hirschberger J.Tierarztl Prax Ausg K Kleintiere Heimtiere. 2021 Jun;49(3):185-194 2. Ignatenko N., et al. Serum concentrations of IL-31 in dogs with nonpruritic mast cell tumours and lymphomas. Veterinary dermatology: 09.2020 3. Ignatenko N., et al. Nasal transmissible venereal tumours in 12 dogs – a retrospective study. Tierärztliche Praxis Kleintiere/Heimtiere 2020; 48 4. Baez-Ortega et al.” Somatic evolution and global expansion of an ancient transmissible cancer lineage. Science. 2019 Aug 2;365(6452) 5. A. Strakova et al. “Recurrent horizontal transfer identifies mitochondrial positive selection in a transmissible cancer".Nature Communications volume 11, Article number 3059 (2020) 6. A. Strakova et al. Mitochondrial genetic diversity, selection and recombination in a canine transmissible cancer. eLife.2016;5: e14552 7. Ignatenko N. Non-endocrinological diagnosis? Clinical signs, diagnostic and treatment of hypoadrenocorticism in dogs. VetPharma. 2017 (2) 8. Ignatenko N., Abramenko I. Histiocytic diseases in dogs and cats. Veterinary Petersburg. 2019 (1-2)